Finding the Fourth Proportional to 7,571,544.12, 10,448,676.81 and 4,133,785.05
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Solution
The fourth proportional to 7,571,544.12, 10,448,676.81 and 4,133,785.05 is: 5,704,593.85
Step by Step Solution
- Step 1: Write the proportion equation
7,571,544.12 : 10,448,676.81 = 4,133,785.05 : x - Step 2: Convert to fraction form
7,571,544.12/10,448,676.81 = 4,133,785.05/x - Step 3: Cross multiply
7,571,544.12x = 10,448,676.81 × 4,133,785.05 - Step 4: Simplify right side
7,571,544.12x = 43,192,583,989,459.69 - Step 5: Solve for x
x = 43,192,583,989,459.69/7,571,544.12 - Step 6: Final answer
x = 5,704,593.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.